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2110022002121 = 11191820182011
BaseRepresentation
bin11110101101000111000…
…111001010010111001001
321110201100001122122120112
4132231013013022113021
5234032311113031441
64253155234204105
7305305212043445
oct36550707122711
97421301578515
102110022002121
11743945459470
122a0b2a123635
13123c88495a87
14741a895d825
1539d46ebe4eb
hex1eb471ca5c9

2110022002121 has 4 divisors (see below), whose sum is σ = 2301842184144. Its totient is φ = 1918201820100.

The previous prime is 2110022002103. The next prime is 2110022002129. The reversal of 2110022002121 is 1212002200112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2110022002121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2110022002096 and 2110022002105.

It is not an unprimeable number, because it can be changed into a prime (2110022002129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95910090995 + ... + 95910091016.

It is an arithmetic number, because the mean of its divisors is an integer number (575460546036).

Almost surely, 22110022002121 is an apocalyptic number.

It is an amenable number.

2110022002121 is a deficient number, since it is larger than the sum of its proper divisors (191820182023).

2110022002121 is a wasteful number, since it uses less digits than its factorization.

2110022002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191820182022.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2110022002121 its reverse (1212002200112), we get a palindrome (3322024202233).

The spelling of 2110022002121 in words is "two trillion, one hundred ten billion, twenty-two million, two thousand, one hundred twenty-one".

Divisors: 1 11 191820182011 2110022002121